The quality of buskers you'll find in Glasgow these days means it's hard not to be stopped in your tracks while walking down Buchanan Street on any given afternoon.
Just ask Cher, who paid a glowing tribute to a singer she spotted belting out a Whitney Houston track while she was in town for a sold-out show at the OVO Hydro a few years back - and even invited her to the gig.
Speaking of busking performances, while many have ended up going viral over the years after their vocal talents were captured on film by passersby, none have quite had the reach of a certain singsong that took place back in December of 2017.
